Possible Clues:

• Blueprint creator
• Put note in crate to be translated by planner
• Wren runs among the cacti, for a change
• Perhaps Scott of the Arctic? That's wrong
• Foster perhaps mobilised charity largely supporting a form of therapy? The opposite
• We probably can put up with his plans
• Person with constructive ideas
• Playmaker who has designs on an attack
• Designer displaying one chart etc
• Main location not initiated by court designer